Create better custom food and configuration input popup

[beekama]

Currently Configuration variables like height and custom food inputs like name have ugly popups, they should have nicer popups in the same style as the journal food selector popup.

See CreateFoodNutritionSelectorAdapter.java:77 and Configuration class

[FAUSheppy]

• implement callback to livecheck input values, e.g. Age/Height withing certain bounds
• add additional label to indicate the unit to input
• localize Label & Title